All terrain vehicle



FIG. 1 is a right side view of the all terrain vehicle;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a perspective view thereof.

The broken lines illustrate portions of the all terrain vehicle that form no part of the claimed design. 

The ornamental design for an all terrain vehicle, as shown and described. 